Sauna, Heat, and Recovery: What the Evidence Supports
How passive heat affects heart, blood pressure, and relaxation, plus safe temperatures, timing, and who should skip the sauna.
stress
Heart Rate Variability, Explained Without the App Anxiety
What HRV measures, why day-to-day noise is normal, and how to use the trend without rearranging your life around a score.
Breathwork Without the Mystique: What Slow Breathing Can and Cannot Do
A practical guide to slow breathing for stress and blood pressure, including who should be careful and how to practice for five minutes.
Cortisol Is Not the Villain: How Stress Hormones Actually Work
A clear look at cortisol’s daily rhythm, what chronic stress does to it, and which recovery habits have evidence behind them.